CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net loss	$ (520)	$ (398)
Adjustments to reconcile net loss to net cash used by operating activities:
Depreciation and amortization	1	2
Stock compensation expense	1	1
Bad debt expense	2	0
Changes in assets and liabilities:
Trade accounts receivable	89	(222)
Prepaid expenses and other current assets	(109)	(77)
Accounts payable and accrued expenses	(188)	276
Deferred revenue	425	(46)
Net cash used by operating activities	(299)	(464)
Cash flows from investing activities:
Purchases of equipment	(2)	0
Net cash used by investing activities	(2)	0
Cash flows from financing activities:
Borrowings under debt	510	460
Repayments of debt	(82)	0
Net cash generated by financing activities	428	460
Net decrease in cash	127	(4)
Cash:
Beginning of period	56	91
End of period	$ 183	$ 87